Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616191.62212 - seattlepi.com

Image 2 of 77

Untouched by color after just passing the starting line, thousands of eager participants embark on the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Untouched by color after just passing the starting line, thousands of eager participants embark on the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Untouched by color after just passing the starting line, thousands... Photo-4616190.62212 - seattlepi.com

Image 3 of 77

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616192.62212 - seattlepi.com

Image 4 of 77

Runners pass through pink clouds of another powder station during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Runners pass through pink clouds of another powder station during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Runners pass through pink clouds of another powder station during... Photo-4616193.62212 - seattlepi.com

Image 5 of 77

Taboola Gallery Frame Item-85307.62212 - seattlepi.com

Image 6 of 77

A group of young participants hug and wish each other luck before the powdery madness of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

A group of young participants hug and wish each other luck before the powdery madness of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

A group of young participants hug and wish each other luck before... Photo-4616194.62212 - seattlepi.com

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A popular hand-out temporary tattoo reading "happy" stands out from the back of a color-dusted head of a participant at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

A popular hand-out temporary tattoo reading "happy" stands out from the back of a color-dusted head of a participant at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the ... more

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616196.62212 - seattlepi.com

Image 9 of 77

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616197.62212 - seattlepi.com

Image 10 of 77

Taboola Gallery Frame Item-85307.62212 - seattlepi.com

Image 11 of 77

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616198.62212 - seattlepi.com

Image 12 of 77

Participants pass into the blue of another powder station during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Participants pass into the blue of another powder station during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Participants pass into the blue of another powder station during... Photo-4616199.62212 - seattlepi.com

Image 13 of 77

Following the completion of the running segment, participants gladly accepted the cleansing powers of a leaf blower to rid themselves of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, participants gladly accepted the cleansing powers of a leaf blower to rid themselves of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, participants... Photo-4616200.62212 - seattlepi.com

Image 14 of 77

A young girl makes a chalk angel in the powdery madness covering the ground following the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

A young girl makes a chalk angel in the powdery madness covering the ground following the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

A young girl makes a chalk angel in the powdery madness covering... Photo-4616202.62212 - seattlepi.com

Image 15 of 77

Taboola Gallery Frame Item-85307.62212 - seattlepi.com

Image 16 of 77

Runners perfect their tutus and rainbow socks before the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Runners perfect their tutus and rainbow socks before the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating ... more

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616204.62212 - seattlepi.com

Image 18 of 77

Not even dogs were safe from the toss of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Not even dogs were safe from the toss of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Not even dogs were safe from the toss of vibrant dust at the Color... Photo-4616206.62212 - seattlepi.com

Image 19 of 77

Thousands of eager participants enjoyed the powdery madness of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Thousands of eager participants enjoyed the powdery madness of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more

Following the completion of the running segment, participants gladly accepted the cleansing powers of a leaf blower to rid themselves of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, participants gladly accepted the cleansing powers of a leaf blower to rid themselves of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, participants... Photo-4616210.62212 - seattlepi.com

Image 22 of 77

Vibrant dust stands out in the hair of a young participant of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Vibrant dust stands out in the hair of a young participant of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Vibrant dust stands out in the hair of a young participant of the... Photo-4616212.62212 - seattlepi.com

Image 23 of 77

Thousands of eager participants enjoyed the powdery madness of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Thousands of eager participants enjoyed the powdery madness of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more

Tutus were in a show of force at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Tutus were in a show of force at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Tutus were in a show of force at the Color Run 5k Sunday, May 12,... Photo-4616214.62212 - seattlepi.com

Image 25 of 77

Taboola Gallery Frame Item-85307.62212 - seattlepi.com

Image 26 of 77

Nonparticipants hurry across the street to avoid powdery contact with the crowds of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Nonparticipants hurry across the street to avoid powdery contact with the crowds of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a ... more

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616216.62212 - seattlepi.com

Image 28 of 77

Runners reach the powdery madness of the first color station - orange - at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Runners reach the powdery madness of the first color station - orange - at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Runners reach the powdery madness of the first color station -... Photo-4616217.62212 - seattlepi.com

Image 29 of 77

A volunteer is coated in the blue sheen of another powder station during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

A volunteer is coated in the blue sheen of another powder station during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

A volunteer is coated in the blue sheen of another powder station... Photo-4616219.62212 - seattlepi.com

Image 30 of 77

Taboola Gallery Frame Item-85307.62212 - seattlepi.com

Image 31 of 77

Untouched by color after just passing the starting line, thousands of eager participants embark on the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Untouched by color after just passing the starting line, thousands of eager participants embark on the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Untouched by color after just passing the starting line, thousands... Photo-4616220.62212 - seattlepi.com

Image 32 of 77

Runners pass through pink clouds of another powder station during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Runners pass through pink clouds of another powder station during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Runners pass through pink clouds of another powder station during... Photo-4616221.62212 - seattlepi.com

Image 33 of 77

Volunteers scoop up color to toss at racers during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Volunteers scoop up color to toss at racers during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Volunteers scoop up color to toss at racers during the Color Run 5k... Photo-4616222.62212 - seattlepi.com

Image 34 of 77

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616224.62212 - seattlepi.com

Image 35 of 77

Taboola Gallery Frame Item-85307.62212 - seattlepi.com

Image 36 of 77

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616225.62212 - seattlepi.com

Image 37 of 77

Runners reach the powdery madness of the first color station - orange - at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Runners reach the powdery madness of the first color station - orange - at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Runners reach the powdery madness of the first color station -... Photo-4616226.62212 - seattlepi.com

Image 38 of 77

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616227.62212 - seattlepi.com

Image 39 of 77

Participants use the waters of the Seattle Center's International Fountain to cleanse themselves of the vibrant dust from the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Participants use the waters of the Seattle Center's International Fountain to cleanse themselves of the vibrant dust from the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Participants use the waters of the Seattle Center's... Photo-4616228.62212 - seattlepi.com

Image 40 of 77

Taboola Gallery Frame Item-85307.62212 - seattlepi.com

Image 41 of 77

A young girl attempts to jump the cones of the course of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

A young girl attempts to jump the cones of the course of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

A young girl attempts to jump the cones of the course of the Color... Photo-4616229.62212 - seattlepi.com

Image 42 of 77

Race volunteers shoot pink clouds of powder at runners and into the air during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Race volunteers shoot pink clouds of powder at runners and into the air during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique ... more

Runners protect phones and other electronics in bags to avoid damage during the powdery madness of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Runners protect phones and other electronics in bags to avoid damage during the powdery madness of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Runners protect phones and other electronics in bags to avoid... Photo-4616231.62212 - seattlepi.com

Image 44 of 77

Thousands of eager participants enjoyed the powdery madness of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Thousands of eager participants enjoyed the powdery madness of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more

Runners reach the powdery madness of the first color station - orange - at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Runners reach the powdery madness of the first color station - orange - at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Runners reach the powdery madness of the first color station -... Photo-4616233.62212 - seattlepi.com

Image 47 of 77

Runners - even those on shoulders - go for high fives at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Runners - even those on shoulders - go for high fives at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Runners - even those on shoulders - go for high fives at the Color... Photo-4616234.62212 - seattlepi.com

Image 48 of 77

Runners pass through pink clouds of another powder station during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Runners pass through pink clouds of another powder station during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Runners pass through pink clouds of another powder station during... Photo-4616235.62212 - seattlepi.com

Image 49 of 77

Runners pass through pink clouds of another powder station during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Runners pass through pink clouds of another powder station during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Runners pass through pink clouds of another powder station during... Photo-4616236.62212 - seattlepi.com

Image 50 of 77

Taboola Gallery Frame Item-85307.62212 - seattlepi.com

Image 51 of 77

Participants get psyched at the starting line of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Participants get psyched at the starting line of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Participants get psyched at the starting line of the Color Run 5k... Photo-4616238.62212 - seattlepi.com

Image 52 of 77

Runners pass through pink clouds of another powder station during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Runners pass through pink clouds of another powder station during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Runners pass through pink clouds of another powder station during... Photo-4616240.62212 - seattlepi.com

Image 53 of 77

Participants cross the finish line of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Participants cross the finish line of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Participants cross the finish line of the Color Run 5k Sunday, May... Photo-4616241.62212 - seattlepi.com

Image 54 of 77

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616242.62212 - seattlepi.com

Image 55 of 77

Taboola Gallery Frame Item-85307.62212 - seattlepi.com

Image 56 of 77

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616243.62212 - seattlepi.com

Image 57 of 77

Following the completion of the running segment, participants gladly accepted the cleansing powers of a leaf blower to rid themselves of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, participants gladly accepted the cleansing powers of a leaf blower to rid themselves of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, participants... Photo-4616244.62212 - seattlepi.com

Image 58 of 77

Following the completion of the running segment, participants gladly accepted the cleansing powers of a leaf blower to rid themselves of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, participants gladly accepted the cleansing powers of a leaf blower to rid themselves of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, participants... Photo-4616245.62212 - seattlepi.com

Image 59 of 77

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616247.62212 - seattlepi.com

Image 60 of 77

Taboola Gallery Frame Item-85307.62212 - seattlepi.com

Image 61 of 77

Attendees challenge each other to a push-up contest following the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Attendees challenge each other to a push-up contest following the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Attendees challenge each other to a push-up contest following the... Photo-4616248.62212 - seattlepi.com

Image 62 of 77

Following the completion of the running segment, participants gladly accepted the cleansing powers of a leaf blower to rid themselves of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, participants gladly accepted the cleansing powers of a leaf blower to rid themselves of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, participants... Photo-4616249.62212 - seattlepi.com

Image 63 of 77

Following the completion of the running segment, participants gladly accepted the cleansing powers of a leaf blower to rid themselves of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, participants gladly accepted the cleansing powers of a leaf blower to rid themselves of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, participants... Photo-4616250.62212 - seattlepi.com

Image 64 of 77

Thousands of eager participants enjoyed the powdery madness of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Thousands of eager participants enjoyed the powdery madness of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more

Following the completion of the running segment, participants gladly accepted the cleansing powers of a leaf blower to rid themselves of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, participants gladly accepted the cleansing powers of a leaf blower to rid themselves of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, participants... Photo-4616253.62212 - seattlepi.com

Image 67 of 77

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616254.62212 - seattlepi.com

Image 68 of 77

Thousands of eager participants enjoyed the powdery madness of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Thousands of eager participants enjoyed the powdery madness of the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more

Not even dogs were safe from the toss of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Not even dogs were safe from the toss of vibrant dust at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Not even dogs were safe from the toss of vibrant dust at the Color... Photo-4616256.62212 - seattlepi.com

Image 70 of 77

Taboola Gallery Frame Item-85307.62212 - seattlepi.com

Image 71 of 77

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Following the completion of the running segment, thousands of eager participants took to the grounds outside of the Experience Music Project to dance, throw powder and take pictures at the Color Run 5k Sunday, ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Following the completion of the running segment, thousands of eager... Photo-4616257.62212 - seattlepi.com

Image 72 of 77

A volunteer goes for the high five with passing racers during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

A volunteer goes for the high five with passing racers during the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

A volunteer goes for the high five with passing racers during the... Photo-4616258.62212 - seattlepi.com

Image 73 of 77

Participants use the waters of the Seattle Center's International Fountain to cleanse themselves of the vibrant dust from the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Participants use the waters of the Seattle Center's International Fountain to cleanse themselves of the vibrant dust from the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Participants use the waters of the Seattle Center's... Photo-4616261.62212 - seattlepi.com

Image 74 of 77

Participants use the waters of the Seattle Center's International Fountain to cleanse themselves of the vibrant dust from the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

Participants use the waters of the Seattle Center's International Fountain to cleanse themselves of the vibrant dust from the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as ... more

Photo: JORDAN STEAD, SEATTLEPI.COM

Participants use the waters of the Seattle Center's... Photo-4616262.62212 - seattlepi.com

Image 75 of 77

Taboola Gallery Frame Item-85307.62212 - seattlepi.com

Image 76 of 77

An unusual selection of trash littered the garbage cans following the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race celebrating healthiness, happiness and individuality. less

An unusual selection of trash littered the garbage cans following the Color Run 5k Sunday, May 12, 2013, in Seattle. The sold out event - also known as the Happiest 5k on the Planet - is a unique paint race ... more